#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>
#include <string.h>

//https://leetcode.cn/problems/convert-integer-lcci/submissions/

int convertInteger(int A, int B){
    int count = 0;
    int num = A ^ B;
    for (long i = 0; i < 32; i++) {
        if ((num >> i) & 1) {
            count++;
        }
    }
    return count;
}

int main() {
    int a = 0;
    scanf("%d", &a);
    printf("%d", a);
    return 0;
}